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Finding the Third Proportional to 144,937.13 and 311,301

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Solution

The third proportional to 144,937.13 and 311,301 is: 668,623.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,937.13 : 311,301 = 311,301 : x
  2. Step 2: Convert to fraction form
    144,937.13/311,301 = 311,301/x
  3. Step 3: Cross multiply
    144,937.13x = 311,301 × 311,301
  4. Step 4: Simplify right side
    144,937.13x = 96,908,312,601
  5. Step 5: Solve for x
    x = 96,908,312,601/144,937.13
  6. Step 6: Final answer
    x = 668,623.12

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.